British vs. French system

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Profile tullio
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Message 1606506 - Posted: 28 Nov 2014, 11:35:25 UTC - in response to Message 1606494.  

There is a Hemingway short story about an American boy brought up in France who has his temperature measured by an American doctor who uses the Fahrenheit scale and the boy believes he is going to die.
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Message 1606527 - Posted: 28 Nov 2014, 13:49:47 UTC
Last modified: 28 Nov 2014, 14:32:20 UTC

It happens quite often that units are mixed up.
In Canada, it was an airplane that was fueled with the wrong amount.
Instead of kilograms it became pounds and it means half as much fuel.
The pilot discovers it first when they flown about halfway.
They find an alternate aerodrome that is deserted but unfortunately the engines stop before they will land.
Fortunately, the pilot is used with gliders and use special maneuvers to land.
Then they discover that the airport is not abandoned.
It is a drag race that is going on there and it's two boys who are cycling on it.
Even here it ends happily and no one was injured.
https://www.youtube.com/watch?v=lTRAQAzey4w
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Message 1606558 - Posted: 28 Nov 2014, 15:23:18 UTC - in response to Message 1606494.  
Last modified: 28 Nov 2014, 15:25:15 UTC

Centigrade lasted until 1948 when it was renamed Celsius, and it is also called Kelvin by the scientists.

The Kelvin is the primary unit of measurement in the physical sciences, but is often used in conjunction with the degree Celsius, which has the same magnitude.
T[°C] = T[K] − 273,15
The temperature in my country is about 270 K right now.
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Message 1606559 - Posted: 28 Nov 2014, 15:27:01 UTC - in response to Message 1606558.  

Centigrade lasted until 1948 when it was renamed Celsius, and it is also called Kelvin by the scientists.

The Kelvin is the primary unit of measurement in the physical sciences, but is often used in conjunction with the degree Celsius, which has the same magnitude.
T[°C] = T[K] − 273,15
The temperature in my country is about 270 K right now.

The temperature of the cosmic background radiation is about 4 K.
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Message 1606570 - Posted: 28 Nov 2014, 15:54:18 UTC

Celsius and Kelvin use the same unit, but are very different measurement scales, generally used for very different purposes.

And Chris, water freezes at 0C and boils at 100C at one very specific pressure, in one very specific atmosphere. And it has to be very pure water. All these measurement systems and units are arbitrary. As I said before, it just depends which one you get used to.

This sums it up nicely.

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Message 1606582 - Posted: 28 Nov 2014, 16:16:01 UTC

ROTFL.......


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Message 1606592 - Posted: 28 Nov 2014, 16:41:33 UTC - in response to Message 1606570.  
Last modified: 28 Nov 2014, 16:51:11 UTC

Celsius and Kelvin use the same unit, but are very different measurement scales, generally used for very different purposes.

And Chris, water freezes at 0C and boils at 100C at one very specific pressure, in one very specific atmosphere. And it has to be very pure water. All these measurement systems and units are arbitrary. As I said before, it just depends which one you get used to.

This sums it up nicely.

:)
I would think it is very difficult to use the base 11 in maths.
11 is a prime number and they cannot be divided.

Celsius and Kelvin uses the same measurement scale.
T[°C] = T[K] − 273,15
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Message 1606593 - Posted: 28 Nov 2014, 16:42:52 UTC - in response to Message 1606559.  

No, 2.7 K.
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Message 1606596 - Posted: 28 Nov 2014, 16:48:28 UTC - in response to Message 1606593.  

No, 2.7 K.
Tullio

Thanks Tullio.
Awfully cold anyway.
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Message 1606599 - Posted: 28 Nov 2014, 17:04:36 UTC - in response to Message 1606596.  

Yes, by it is not uniform and shows some variations, as measured by spacecrafts and terrestrial infrared telescopes, like the one at the South Pole which caused a rumor when they said that the polarization of the Cosmic Microwave Background showed the signs of primordial gravitational waves.Now it is all in doubt again, but it seems that the Universe has a colder part and a warmer part, no one knows why.
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Message 1606601 - Posted: 28 Nov 2014, 17:20:33 UTC - in response to Message 1606599.  
Last modified: 28 Nov 2014, 17:23:25 UTC

Yes, by it is not uniform and shows some variations, as measured by spacecrafts and terrestrial infrared telescopes, like the one at the South Pole which caused a rumor when they said that the polarization of the Cosmic Microwave Background showed the signs of primordial gravitational waves.Now it is all in doubt again, but it seems that the Universe has a colder part and a warmer part, no one knows why.
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WMAP shows the differences of temperature in universe.

The red part is Milky Way.
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Message 1606668 - Posted: 28 Nov 2014, 21:58:12 UTC - in response to Message 1606601.  

Yes, by it is not uniform and shows some variations, as measured by spacecrafts and terrestrial infrared telescopes, like the one at the South Pole which caused a rumor when they said that the polarization of the Cosmic Microwave Background showed the signs of primordial gravitational waves.Now it is all in doubt again, but it seems that the Universe has a colder part and a warmer part, no one knows why.
Tullio

WMAP shows the differences of temperature in universe.

The red part is Milky Way.



Love that pic!
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Message 1606672 - Posted: 28 Nov 2014, 22:11:13 UTC

Looks like a cat's eye to me a bit.....maybe..ish....



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Message 1606680 - Posted: 28 Nov 2014, 22:22:37 UTC - in response to Message 1606672.  
Last modified: 28 Nov 2014, 22:23:15 UTC

Looks like a cat's eye to me a bit.....maybe..ish....

This look very much as an eye to me.
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Message 1606681 - Posted: 28 Nov 2014, 22:25:55 UTC - in response to Message 1606680.  

Looks like a cat's eye to me a bit.....maybe..ish....

This look very much as an eye to me.


That's the Cat's eye Nebula I think.
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Message 1606690 - Posted: 28 Nov 2014, 22:47:04 UTC - in response to Message 1606350.  

So like one meter is the distance travelled by light
in vacuum in 1/299792458th of one Mississippi?

Yes.
Wich means that the Mississippi river is very small.
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Message 1606699 - Posted: 28 Nov 2014, 23:00:14 UTC - in response to Message 1606690.  

They play hockey in Mississippi!



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Message 1606719 - Posted: 28 Nov 2014, 23:34:16 UTC - in response to Message 1606699.  
Last modified: 28 Nov 2014, 23:38:25 UTC

They play hockey in Mississippi!

You mean like playing hockey on the Mississippi river?
Would like to see Börje Samling and Wayne Gretsky doing that.
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Message 1606728 - Posted: 29 Nov 2014, 0:12:54 UTC

Wayne Gretsky is Canadian!


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Message 1606729 - Posted: 29 Nov 2014, 0:20:59 UTC - in response to Message 1606728.  

Wayne Gretsky is Canadian!

Of course he is:)
Just like Börje Salming who is Swedish.
Actually he is a lap.
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